chemical substance
matter of constant composition best characterized by the entities (molecules, formula units, atoms) it is composed of and characterized by physical properties like density
compressed air
air kept under a pressure that is greater than atmospheric pressure
litmus
water-soluble mixture of different dyes extracted from lichens.
alum
family of double sulfate salts of monovalent and trivalent cations
motor oil
lubricant used for lubrication of internal combustion engines
sugar hormone
hormone that affects carbohydrate metabolism
precursor
compound that participates in a chemical reaction that produces another compound
ignition means
auxiliaries which serve to trigger an explosion
tall oil
viscous liquid obtained as a by-product of wood pulp manufacture
additive
substances mixed in small quantities with another product to modify its chemical or physical state
nitride compound
chemical compound containing nitrogen in a formal oxidation state of −3
Trace amine
amine receptors in the mammalian brain
Sulfinyl halide
class of chemical compounds
cajeput oil
chemical compound
sequestrant
food preservative that acts by chelating with metal cations (particularly those of copper, iron and nickel) that catalyse the oxidation of fats in food.
non-coordinating anion
anion which interacts only weakly with cations
copal
Tree resin long used as incense and for making varnish
explosive
any substance or device that can be made to produce a volume of rapidly expanding gas in an extremely brief period
hard salt
Mining term for salt rocks, which are generally harder than rock salt (halite)
limonene oxides
group of chemical compounds
borides of plutonium
chemical substance family
retention aid
class of chemical substances
humic substances
organic compounds that are important components of humus
compressed hydrogen
gaseous state of the element hydrogen kept under pressure
Cutler's resin
synthetic resin
emulsifying wax
cosmetics ingredient
catalyst
substance that increases chemical reaction speed, and which is conserved after the reaction
tracer
easily identified chemical or isotope used to track a process
contraceptive
agent, device, method, or procedure which diminishes the likelihood of or prevents conception
garlic oil
oil from Allium sativum
participant
chemical substance which takes part in a chemical process; may not be an input, output or intermediate
cobalt ferrite
ceramic material
penetration enhancer
substance that facilitates penetration of drugs into or through skin or other biological membranes
fuel
any material that stores energy that can later be extracted, in presence of a oxidizer or a catalyser, or under the effect of a tool, but which is not conserved after the reaction
fertilizer
material of natural or synthetic origin (other than liming materials) applied to soils or to plants to supply essential nutrients
electrolyte
medium which conducts ions but not electrons
electrolyte
medium which conducts ions but not electrons
monomer
molecule that, as a unit, binds chemically or supramolecularly to other molecules to form a supramolecular polymer
surfactant
group of chemical substances
preservative
additive designed to prevent decomposition
Suboxide
oxides containing less oxygen than normally expected
cocaine paste
crude extract of coca leaf
respiratory poison
Substances which have a harmful effect on humans when they are absorbed through the respiratory tract
natural product
chemical compound or substance produced by a living organism, found in nature
optical brightener
blue fluorescent dye used to enhance apparent brightness of white paper, fabric, and plastics
coolant
substance used to reduce or regulate the temperature of a system
chemical product
chemical substance produced by industrial means or in a laboratory